package com.star.confession.controller;

import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;

import javax.servlet.http.HttpServletRequest;
import java.net.InetAddress;
import java.net.UnknownHostException;

@Controller
@Slf4j
public class IndexController {

    @RequestMapping("/520v1")
    public String happy520v1(HttpServletRequest request,ModelMap map) {
        String ipAddr = getIpAddr(request);
        log.info("进入happy520v1表白页面了...请求方ipAddr={}",ipAddr);
        return "happy520v1";
    }

    @RequestMapping("/520v2")
    public String happy520v2(HttpServletRequest request) {
        String ipAddr = getIpAddr(request);
        log.info("进入happy520v2表白页面了...请求方ipAddr={}",ipAddr);
        return "happy520v2";
    }

    // @RequestMapping("/520v3")
    // public String happy520v3(HttpServletRequest request) {
    //     String ipAddr = getIpAddr(request);
    //     log.info("进入happy520v3表白页面了...请求方ipAddr={}",ipAddr);
    //     return "happy520v3";
    // }


    /**
     * 获取当前网络ip
     *
     * @param request
     * @return
     */
    public String getIpAddr(HttpServletRequest request) {
        String ipAddress = request.getHeader("x-forwarded-for");
        if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
            ipAddress = request.getHeader("Proxy-Client-IP");
        }
        if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
            ipAddress = request.getHeader("WL-Proxy-Client-IP");
        }
        if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
            ipAddress = request.getRemoteAddr();
            if (ipAddress.equals("127.0.0.1") || ipAddress.equals("0:0:0:0:0:0:0:1")) {
                //根据网卡取本机配置的IP
                InetAddress inet = null;
                try {
                    inet = InetAddress.getLocalHost();
                } catch (UnknownHostException e) {
                    e.printStackTrace();
                }
                ipAddress = inet.getHostAddress();
            }
        }
        //对于通过多个代理的情况，第一个IP为客户端真实IP,多个IP按照','分割
        if (ipAddress != null && ipAddress.length() > 15) { //"***.***.***.***".length() = 15
            if (ipAddress.indexOf(",") > 0) {
                ipAddress = ipAddress.substring(0, ipAddress.indexOf(","));
            }
        }
        return ipAddress;
    }

}